RadioLib
Universal wireless communication library for Arduino
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SX127x.h
1#if !defined(_RADIOLIB_SX127X_H)
2#define _RADIOLIB_SX127X_H
3
4#include "../../TypeDef.h"
5
6#if !RADIOLIB_EXCLUDE_SX127X
7
8#include "../../Module.h"
9
10#include "../../protocols/PhysicalLayer/PhysicalLayer.h"
11
12// SX127x physical layer properties
13#define RADIOLIB_SX127X_FREQUENCY_STEP_SIZE 61.03515625
14#define RADIOLIB_SX127X_MAX_PACKET_LENGTH 255
15#define RADIOLIB_SX127X_MAX_PACKET_LENGTH_FSK 64 // as per datasheet Rev. 7, page 66, the FSK FIFO is just 64 bytes
16#define RADIOLIB_SX127X_CRYSTAL_FREQ 32.0f
17#define RADIOLIB_SX127X_DIV_EXPONENT 19
18
19// SX127x series common LoRa registers
20#define RADIOLIB_SX127X_REG_FIFO 0x00
21#define RADIOLIB_SX127X_REG_OP_MODE 0x01
22#define RADIOLIB_SX127X_REG_FRF_MSB 0x06
23#define RADIOLIB_SX127X_REG_FRF_MID 0x07
24#define RADIOLIB_SX127X_REG_FRF_LSB 0x08
25#define RADIOLIB_SX127X_REG_PA_CONFIG 0x09
26#define RADIOLIB_SX127X_REG_PA_RAMP 0x0A
27#define RADIOLIB_SX127X_REG_OCP 0x0B
28#define RADIOLIB_SX127X_REG_LNA 0x0C
29#define RADIOLIB_SX127X_REG_FIFO_ADDR_PTR 0x0D
30#define RADIOLIB_SX127X_REG_FIFO_TX_BASE_ADDR 0x0E
31#define RADIOLIB_SX127X_REG_FIFO_RX_BASE_ADDR 0x0F
32#define RADIOLIB_SX127X_REG_FIFO_RX_CURRENT_ADDR 0x10
33#define RADIOLIB_SX127X_REG_IRQ_FLAGS_MASK 0x11
34#define RADIOLIB_SX127X_REG_IRQ_FLAGS 0x12
35#define RADIOLIB_SX127X_REG_RX_NB_BYTES 0x13
36#define RADIOLIB_SX127X_REG_RX_HEADER_CNT_VALUE_MSB 0x14
37#define RADIOLIB_SX127X_REG_RX_HEADER_CNT_VALUE_LSB 0x15
38#define RADIOLIB_SX127X_REG_RX_PACKET_CNT_VALUE_MSB 0x16
39#define RADIOLIB_SX127X_REG_RX_PACKET_CNT_VALUE_LSB 0x17
40#define RADIOLIB_SX127X_REG_MODEM_STAT 0x18
41#define RADIOLIB_SX127X_REG_PKT_SNR_VALUE 0x19
42#define RADIOLIB_SX127X_REG_PKT_RSSI_VALUE 0x1A
43#define RADIOLIB_SX127X_REG_RSSI_VALUE 0x1B
44#define RADIOLIB_SX127X_REG_HOP_CHANNEL 0x1C
45#define RADIOLIB_SX127X_REG_MODEM_CONFIG_1 0x1D
46#define RADIOLIB_SX127X_REG_MODEM_CONFIG_2 0x1E
47#define RADIOLIB_SX127X_REG_SYMB_TIMEOUT_LSB 0x1F
48#define RADIOLIB_SX127X_REG_PREAMBLE_MSB 0x20
49#define RADIOLIB_SX127X_REG_PREAMBLE_LSB 0x21
50#define RADIOLIB_SX127X_REG_PAYLOAD_LENGTH 0x22
51#define RADIOLIB_SX127X_REG_MAX_PAYLOAD_LENGTH 0x23
52#define RADIOLIB_SX127X_REG_HOP_PERIOD 0x24
53#define RADIOLIB_SX127X_REG_FIFO_RX_BYTE_ADDR 0x25
54#define RADIOLIB_SX127X_REG_FEI_MSB 0x28
55#define RADIOLIB_SX127X_REG_FEI_MID 0x29
56#define RADIOLIB_SX127X_REG_FEI_LSB 0x2A
57#define RADIOLIB_SX127X_REG_RSSI_WIDEBAND 0x2C
58#define RADIOLIB_SX127X_REG_DETECT_OPTIMIZE 0x31
59#define RADIOLIB_SX127X_REG_INVERT_IQ 0x33
60#define RADIOLIB_SX127X_REG_DETECTION_THRESHOLD 0x37
61#define RADIOLIB_SX127X_REG_SYNC_WORD 0x39
62#define RADIOLIB_SX127X_REG_INVERT_IQ2 0x3B
63#define RADIOLIB_SX127X_REG_DIO_MAPPING_1 0x40
64#define RADIOLIB_SX127X_REG_DIO_MAPPING_2 0x41
65#define RADIOLIB_SX127X_REG_VERSION 0x42
66
67// SX127x common LoRa modem settings
68// RADIOLIB_SX127X_REG_OP_MODE MSB LSB DESCRIPTION
69#define RADIOLIB_SX127X_FSK_OOK 0b00000000 // 7 7 FSK/OOK mode
70#define RADIOLIB_SX127X_LORA 0b10000000 // 7 7 LoRa mode
71#define RADIOLIB_SX127X_ACCESS_SHARED_REG_OFF 0b00000000 // 6 6 access LoRa registers (0x0D:0x3F) in LoRa mode
72#define RADIOLIB_SX127X_ACCESS_SHARED_REG_ON 0b01000000 // 6 6 access FSK registers (0x0D:0x3F) in LoRa mode
73#define RADIOLIB_SX127X_SLEEP 0b00000000 // 2 0 sleep
74#define RADIOLIB_SX127X_STANDBY 0b00000001 // 2 0 standby
75#define RADIOLIB_SX127X_FSTX 0b00000010 // 2 0 frequency synthesis TX
76#define RADIOLIB_SX127X_TX 0b00000011 // 2 0 transmit
77#define RADIOLIB_SX127X_FSRX 0b00000100 // 2 0 frequency synthesis RX
78#define RADIOLIB_SX127X_RXCONTINUOUS 0b00000101 // 2 0 receive continuous
79#define RADIOLIB_SX127X_RXSINGLE 0b00000110 // 2 0 receive single
80#define RADIOLIB_SX127X_CAD 0b00000111 // 2 0 channel activity detection
81
82// RADIOLIB_SX127X_REG_PA_CONFIG
83#define RADIOLIB_SX127X_PA_SELECT_RFO 0b00000000 // 7 7 RFO pin output, power limited to +14 dBm
84#define RADIOLIB_SX127X_PA_SELECT_BOOST 0b10000000 // 7 7 PA_BOOST pin output, power limited to +20 dBm
85#define RADIOLIB_SX127X_OUTPUT_POWER 0b00001111 // 3 0 output power: P_out = 2 + OUTPUT_POWER [dBm] for PA_SELECT_BOOST
86 // P_out = -1 + OUTPUT_POWER [dBm] for PA_SELECT_RFO
87
88// RADIOLIB_SX127X_REG_OCP
89#define RADIOLIB_SX127X_OCP_OFF 0b00000000 // 5 5 PA overload current protection disabled
90#define RADIOLIB_SX127X_OCP_ON 0b00100000 // 5 5 PA overload current protection enabled
91#define RADIOLIB_SX127X_OCP_TRIM 0b00001011 // 4 0 OCP current: I_max(OCP_TRIM = 0b1011) = 100 mA
92
93// RADIOLIB_SX127X_REG_LNA
94#define RADIOLIB_SX127X_LNA_GAIN_1 0b00100000 // 7 5 LNA gain setting: max gain
95#define RADIOLIB_SX127X_LNA_GAIN_2 0b01000000 // 7 5 .
96#define RADIOLIB_SX127X_LNA_GAIN_3 0b01100000 // 7 5 .
97#define RADIOLIB_SX127X_LNA_GAIN_4 0b10000000 // 7 5 .
98#define RADIOLIB_SX127X_LNA_GAIN_5 0b10100000 // 7 5 .
99#define RADIOLIB_SX127X_LNA_GAIN_6 0b11000000 // 7 5 min gain
100#define RADIOLIB_SX127X_LNA_BOOST_OFF 0b00000000 // 1 0 default LNA current
101#define RADIOLIB_SX127X_LNA_BOOST_ON 0b00000011 // 1 0 150% LNA current
102
103// RADIOLIB_SX127X_REG_MODEM_CONFIG_2
104#define RADIOLIB_SX127X_SF_6 0b01100000 // 7 4 spreading factor: 64 chips/bit
105#define RADIOLIB_SX127X_SF_7 0b01110000 // 7 4 128 chips/bit
106#define RADIOLIB_SX127X_SF_8 0b10000000 // 7 4 256 chips/bit
107#define RADIOLIB_SX127X_SF_9 0b10010000 // 7 4 512 chips/bit
108#define RADIOLIB_SX127X_SF_10 0b10100000 // 7 4 1024 chips/bit
109#define RADIOLIB_SX127X_SF_11 0b10110000 // 7 4 2048 chips/bit
110#define RADIOLIB_SX127X_SF_12 0b11000000 // 7 4 4096 chips/bit
111#define RADIOLIB_SX127X_TX_MODE_SINGLE 0b00000000 // 3 3 single TX
112#define RADIOLIB_SX127X_TX_MODE_CONT 0b00001000 // 3 3 continuous TX
113#define RADIOLIB_SX127X_RX_TIMEOUT_MSB 0b00000000 // 1 0
114
115// RADIOLIB_SX127X_REG_SYMB_TIMEOUT_LSB
116#define RADIOLIB_SX127X_RX_TIMEOUT_LSB 0b01100100 // 7 0 10-bit RX operation timeout
117
118// RADIOLIB_SX127X_REG_PREAMBLE_MSB + REG_PREAMBLE_LSB
119#define RADIOLIB_SX127X_PREAMBLE_LENGTH_MSB 0b00000000 // 7 0 2-byte preamble length setting: l_P = PREAMBLE_LENGTH + 4.25
120#define RADIOLIB_SX127X_PREAMBLE_LENGTH_LSB 0b00001000 // 7 0 where l_p = preamble length
121
122// RADIOLIB_SX127X_REG_DETECT_OPTIMIZE
123#define RADIOLIB_SX127X_DETECT_OPTIMIZE_SF_6 0b00000101 // 2 0 SF6 detection optimization
124#define RADIOLIB_SX127X_DETECT_OPTIMIZE_SF_7_12 0b00000011 // 2 0 SF7 to SF12 detection optimization
125
126// RADIOLIB_SX127X_REG_INVERT_IQ
127#define RADIOLIB_SX127X_INVERT_IQ_RXPATH_ON 0b01000000 // 6 6 I and Q signals are inverted
128#define RADIOLIB_SX127X_INVERT_IQ_RXPATH_OFF 0b00000000 // 6 6 normal mode
129#define RADIOLIB_SX127X_INVERT_IQ_TXPATH_ON 0b00000001 // 0 0 I and Q signals are inverted
130#define RADIOLIB_SX127X_INVERT_IQ_TXPATH_OFF 0b00000000 // 0 0 normal mode
131
132// RADIOLIB_SX127X_REG_DETECTION_THRESHOLD
133#define RADIOLIB_SX127X_DETECTION_THRESHOLD_SF_6 0b00001100 // 7 0 SF6 detection threshold
134#define RADIOLIB_SX127X_DETECTION_THRESHOLD_SF_7_12 0b00001010 // 7 0 SF7 to SF12 detection threshold
135
136// RADIOLIB_SX127X_REG_PA_DAC
137#define RADIOLIB_SX127X_PA_BOOST_OFF 0b00000100 // 2 0 PA_BOOST disabled
138#define RADIOLIB_SX127X_PA_BOOST_ON 0b00000111 // 2 0 +20 dBm on PA_BOOST when OUTPUT_POWER = 0b1111
139
140// RADIOLIB_SX127X_REG_HOP_PERIOD
141#define RADIOLIB_SX127X_HOP_PERIOD_OFF 0b00000000 // 7 0 number of periods between frequency hops; 0 = disabled
142#define RADIOLIB_SX127X_HOP_PERIOD_MAX 0b11111111 // 7 0
143
144// RADIOLIB_SX127X_REG_IRQ_FLAGS
145#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_RX_TIMEOUT 0b10000000 // 7 7 timeout
146#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_RX_DONE 0b01000000 // 6 6 packet reception complete
147#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_PAYLOAD_CRC_ERROR 0b00100000 // 5 5 payload CRC error
148#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_VALID_HEADER 0b00010000 // 4 4 valid header received
149#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_TX_DONE 0b00001000 // 3 3 payload transmission complete
150#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_CAD_DONE 0b00000100 // 2 2 CAD complete
151#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_FHSS_CHANGE_CHANNEL 0b00000010 // 1 1 FHSS change channel
152#define RADIOLIB_SX127X_CLEAR_IRQ_FLAG_CAD_DETECTED 0b00000001 // 0 0 valid LoRa signal detected during CAD operation
153
154// RADIOLIB_SX127X_REG_IRQ_FLAGS_MASK
155#define RADIOLIB_SX127X_MASK_IRQ_FLAG_RX_TIMEOUT 0b01111111 // 7 7 timeout
156#define RADIOLIB_SX127X_MASK_IRQ_FLAG_RX_DONE 0b10111111 // 6 6 packet reception complete
157#define RADIOLIB_SX127X_MASK_IRQ_FLAG_PAYLOAD_CRC_ERROR 0b11011111 // 5 5 payload CRC error
158#define RADIOLIB_SX127X_MASK_IRQ_FLAG_VALID_HEADER 0b11101111 // 4 4 valid header received
159#define RADIOLIB_SX127X_MASK_IRQ_FLAG_TX_DONE 0b11110111 // 3 3 payload transmission complete
160#define RADIOLIB_SX127X_MASK_IRQ_FLAG_CAD_DONE 0b11111011 // 2 2 CAD complete
161#define RADIOLIB_SX127X_MASK_IRQ_FLAG_FHSS_CHANGE_CHANNEL 0b11111101 // 1 1 FHSS change channel
162#define RADIOLIB_SX127X_MASK_IRQ_FLAG_CAD_DETECTED 0b11111110 // 0 0 valid LoRa signal detected during CAD operation
163
164// RADIOLIB_SX127X_REG_FIFO_TX_BASE_ADDR
165#define RADIOLIB_SX127X_FIFO_TX_BASE_ADDR_MAX 0b00000000 // 7 0 allocate the entire FIFO buffer for TX only
166
167// RADIOLIB_SX127X_REG_FIFO_RX_BASE_ADDR
168#define RADIOLIB_SX127X_FIFO_RX_BASE_ADDR_MAX 0b00000000 // 7 0 allocate the entire FIFO buffer for RX only
169
170// RADIOLIB_SX127X_REG_SYNC_WORD
171#define RADIOLIB_SX127X_SYNC_WORD 0x12 // 7 0 default LoRa sync word
172#define RADIOLIB_SX127X_SYNC_WORD_LORAWAN 0x34 // 7 0 sync word reserved for LoRaWAN networks
173
174// RADIOLIB_SX127X_REG_INVERT_IQ2
175#define RADIOLIB_SX127X_IQ2_ENABLE 0x19 // 7 0 enable optimize for inverted IQ
176#define RADIOLIB_SX127X_IQ2_DISABLE 0x1D // 7 0 reset optimize for inverted IQ
177
178// SX127x series common FSK registers
179// NOTE: FSK register names that are conflicting with LoRa registers are marked with "_FSK" suffix
180#define RADIOLIB_SX127X_REG_BITRATE_MSB 0x02
181#define RADIOLIB_SX127X_REG_BITRATE_LSB 0x03
182#define RADIOLIB_SX127X_REG_FDEV_MSB 0x04
183#define RADIOLIB_SX127X_REG_FDEV_LSB 0x05
184#define RADIOLIB_SX127X_REG_RX_CONFIG 0x0D
185#define RADIOLIB_SX127X_REG_RSSI_CONFIG 0x0E
186#define RADIOLIB_SX127X_REG_RSSI_COLLISION 0x0F
187#define RADIOLIB_SX127X_REG_RSSI_THRESH 0x10
188#define RADIOLIB_SX127X_REG_RSSI_VALUE_FSK 0x11
189#define RADIOLIB_SX127X_REG_RX_BW 0x12
190#define RADIOLIB_SX127X_REG_AFC_BW 0x13
191#define RADIOLIB_SX127X_REG_OOK_PEAK 0x14
192#define RADIOLIB_SX127X_REG_OOK_FIX 0x15
193#define RADIOLIB_SX127X_REG_OOK_AVG 0x16
194#define RADIOLIB_SX127X_REG_AFC_FEI 0x1A
195#define RADIOLIB_SX127X_REG_AFC_MSB 0x1B
196#define RADIOLIB_SX127X_REG_AFC_LSB 0x1C
197#define RADIOLIB_SX127X_REG_FEI_MSB_FSK 0x1D
198#define RADIOLIB_SX127X_REG_FEI_LSB_FSK 0x1E
199#define RADIOLIB_SX127X_REG_PREAMBLE_DETECT 0x1F
200#define RADIOLIB_SX127X_REG_RX_TIMEOUT_1 0x20
201#define RADIOLIB_SX127X_REG_RX_TIMEOUT_2 0x21
202#define RADIOLIB_SX127X_REG_RX_TIMEOUT_3 0x22
203#define RADIOLIB_SX127X_REG_RX_DELAY 0x23
204#define RADIOLIB_SX127X_REG_OSC 0x24
205#define RADIOLIB_SX127X_REG_PREAMBLE_MSB_FSK 0x25
206#define RADIOLIB_SX127X_REG_PREAMBLE_LSB_FSK 0x26
207#define RADIOLIB_SX127X_REG_SYNC_CONFIG 0x27
208#define RADIOLIB_SX127X_REG_SYNC_VALUE_1 0x28
209#define RADIOLIB_SX127X_REG_SYNC_VALUE_2 0x29
210#define RADIOLIB_SX127X_REG_SYNC_VALUE_3 0x2A
211#define RADIOLIB_SX127X_REG_SYNC_VALUE_4 0x2B
212#define RADIOLIB_SX127X_REG_SYNC_VALUE_5 0x2C
213#define RADIOLIB_SX127X_REG_SYNC_VALUE_6 0x2D
214#define RADIOLIB_SX127X_REG_SYNC_VALUE_7 0x2E
215#define RADIOLIB_SX127X_REG_SYNC_VALUE_8 0x2F
216#define RADIOLIB_SX127X_REG_PACKET_CONFIG_1 0x30
217#define RADIOLIB_SX127X_REG_PACKET_CONFIG_2 0x31
218#define RADIOLIB_SX127X_REG_PAYLOAD_LENGTH_FSK 0x32
219#define RADIOLIB_SX127X_REG_NODE_ADRS 0x33
220#define RADIOLIB_SX127X_REG_BROADCAST_ADRS 0x34
221#define RADIOLIB_SX127X_REG_FIFO_THRESH 0x35
222#define RADIOLIB_SX127X_REG_SEQ_CONFIG_1 0x36
223#define RADIOLIB_SX127X_REG_SEQ_CONFIG_2 0x37
224#define RADIOLIB_SX127X_REG_TIMER_RESOL 0x38
225#define RADIOLIB_SX127X_REG_TIMER1_COEF 0x39
226#define RADIOLIB_SX127X_REG_TIMER2_COEF 0x3A
227#define RADIOLIB_SX127X_REG_IMAGE_CAL 0x3B
228#define RADIOLIB_SX127X_REG_TEMP 0x3C
229#define RADIOLIB_SX127X_REG_LOW_BAT 0x3D
230#define RADIOLIB_SX127X_REG_IRQ_FLAGS_1 0x3E
231#define RADIOLIB_SX127X_REG_IRQ_FLAGS_2 0x3F
232
233// SX127x common FSK modem settings
234// RADIOLIB_SX127X_REG_OP_MODE
235#define RADIOLIB_SX127X_MODULATION_FSK 0b00000000 // 6 5 FSK modulation scheme
236#define RADIOLIB_SX127X_MODULATION_OOK 0b00100000 // 6 5 OOK modulation scheme
237#define RADIOLIB_SX127X_RX 0b00000101 // 2 0 receiver mode
238
239// RADIOLIB_SX127X_REG_BITRATE_MSB + SX127X_REG_BITRATE_LSB
240#define RADIOLIB_SX127X_BITRATE_MSB 0x1A // 7 0 bit rate setting: BitRate = F(XOSC)/(BITRATE + BITRATE_FRAC/16)
241#define RADIOLIB_SX127X_BITRATE_LSB 0x0B // 7 0 default value: 4.8 kbps
242
243// RADIOLIB_SX127X_REG_FDEV_MSB + SX127X_REG_FDEV_LSB
244#define RADIOLIB_SX127X_FDEV_MSB 0x00 // 5 0 frequency deviation: Fdev = Fstep * FDEV
245#define RADIOLIB_SX127X_FDEV_LSB 0x52 // 7 0 default value: 5 kHz
246
247// RADIOLIB_SX127X_REG_RX_CONFIG
248#define RADIOLIB_SX127X_RESTART_RX_ON_COLLISION_OFF 0b00000000 // 7 7 automatic receiver restart disabled (default)
249#define RADIOLIB_SX127X_RESTART_RX_ON_COLLISION_ON 0b10000000 // 7 7 automatically restart receiver if it gets saturated or on packet collision
250#define RADIOLIB_SX127X_RESTART_RX_WITHOUT_PLL_LOCK 0b01000000 // 6 6 manually restart receiver without frequency change
251#define RADIOLIB_SX127X_RESTART_RX_WITH_PLL_LOCK 0b00100000 // 5 5 manually restart receiver with frequency change
252#define RADIOLIB_SX127X_AFC_AUTO_OFF 0b00000000 // 4 4 no AFC performed (default)
253#define RADIOLIB_SX127X_AFC_AUTO_ON 0b00010000 // 4 4 AFC performed at each receiver startup
254#define RADIOLIB_SX127X_AGC_AUTO_OFF 0b00000000 // 3 3 LNA gain set manually by register
255#define RADIOLIB_SX127X_AGC_AUTO_ON 0b00001000 // 3 3 LNA gain controlled by AGC
256#define RADIOLIB_SX127X_RX_TRIGGER_NONE 0b00000000 // 2 0 receiver startup at: none
257#define RADIOLIB_SX127X_RX_TRIGGER_RSSI_INTERRUPT 0b00000001 // 2 0 RSSI interrupt
258#define RADIOLIB_SX127X_RX_TRIGGER_PREAMBLE_DETECT 0b00000110 // 2 0 preamble detected
259#define RADIOLIB_SX127X_RX_TRIGGER_BOTH 0b00000111 // 2 0 RSSI interrupt and preamble detected
260
261// RADIOLIB_SX127X_REG_RSSI_CONFIG
262#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_2 0b00000000 // 2 0 number of samples for RSSI average: 2
263#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_4 0b00000001 // 2 0 4
264#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_8 0b00000010 // 2 0 8 (default)
265#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_16 0b00000011 // 2 0 16
266#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_32 0b00000100 // 2 0 32
267#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_64 0b00000101 // 2 0 64
268#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_128 0b00000110 // 2 0 128
269#define RADIOLIB_SX127X_RSSI_SMOOTHING_SAMPLES_256 0b00000111 // 2 0 256
270
271// RADIOLIB_SX127X_REG_RSSI_COLLISION
272#define RADIOLIB_SX127X_RSSI_COLLISION_THRESHOLD 0x0A // 7 0 RSSI threshold in dB that will be considered a collision, default value: 10 dB
273
274// RADIOLIB_SX127X_REG_RSSI_THRESH
275#define RADIOLIB_SX127X_RSSI_THRESHOLD 0xFF // 7 0 RSSI threshold that will trigger RSSI interrupt, RssiThreshold = RSSI_THRESHOLD / 2 [dBm]
276
277// RADIOLIB_SX127X_REG_RX_BW
278#define RADIOLIB_SX127X_RX_BW_MANT_16 0b00000000 // 4 3 channel filter bandwidth: RxBw = F(XOSC) / (RxBwMant * 2^(RxBwExp + 2)) [kHz]
279#define RADIOLIB_SX127X_RX_BW_MANT_20 0b00001000 // 4 3
280#define RADIOLIB_SX127X_RX_BW_MANT_24 0b00010000 // 4 3 default RxBwMant parameter
281#define RADIOLIB_SX127X_RX_BW_EXP 0b00000101 // 2 0 default RxBwExp parameter
282#define RADIOLIB_SX127X_RX_BW_2_6 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x07)
283#define RADIOLIB_SX127X_RX_BW_3_1 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x07)
284#define RADIOLIB_SX127X_RX_BW_3_9 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x07)
285#define RADIOLIB_SX127X_RX_BW_5_2 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x06)
286#define RADIOLIB_SX127X_RX_BW_6_3 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x06)
287#define RADIOLIB_SX127X_RX_BW_7_8 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x06)
288#define RADIOLIB_SX127X_RX_BW_10_4 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x05)
289#define RADIOLIB_SX127X_RX_BW_12_5 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x05)
290#define RADIOLIB_SX127X_RX_BW_15_6 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x05)
291#define RADIOLIB_SX127X_RX_BW_20_8 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x04)
292#define RADIOLIB_SX127X_RX_BW_25_0 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x04)
293#define RADIOLIB_SX127X_RX_BW_31_3 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x04)
294#define RADIOLIB_SX127X_RX_BW_41_7 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x03)
295#define RADIOLIB_SX127X_RX_BW_50_0 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x03)
296#define RADIOLIB_SX127X_RX_BW_62_5 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x03)
297#define RADIOLIB_SX127X_RX_BW_83_3 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x02)
298#define RADIOLIB_SX127X_RX_BW_100 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x02)
299#define RADIOLIB_SX127X_RX_BW_125 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x02)
300#define RADIOLIB_SX127X_RX_BW_167 (RADIOLIB_SX127X_RX_BW_MANT_24 | 0x01)
301#define RADIOLIB_SX127X_RX_BW_200 (RADIOLIB_SX127X_RX_BW_MANT_20 | 0x01)
302#define RADIOLIB_SX127X_RX_BW_250 (RADIOLIB_SX127X_RX_BW_MANT_16 | 0x01)
303
304// RADIOLIB_SX127X_REG_AFC_BW
305#define RADIOLIB_SX127X_RX_BW_MANT_AFC 0b00001000 // 4 3 default RxBwMant parameter used during AFC
306#define RADIOLIB_SX127X_RX_BW_EXP_AFC 0b00000011 // 2 0 default RxBwExp parameter used during AFC
307
308// RADIOLIB_SX127X_REG_OOK_PEAK
309#define RADIOLIB_SX127X_BIT_SYNC_OFF 0b00000000 // 5 5 bit synchronizer disabled (not allowed in packet mode)
310#define RADIOLIB_SX127X_BIT_SYNC_ON 0b00100000 // 5 5 bit synchronizer enabled (default)
311#define RADIOLIB_SX127X_OOK_THRESH_FIXED 0b00000000 // 4 3 OOK threshold type: fixed value
312#define RADIOLIB_SX127X_OOK_THRESH_PEAK 0b00001000 // 4 3 peak mode (default)
313#define RADIOLIB_SX127X_OOK_THRESH_AVERAGE 0b00010000 // 4 3 average mode
314#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_0_5_DB 0b00000000 // 2 0 OOK demodulator step size: 0.5 dB (default)
315#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_1_0_DB 0b00000001 // 2 0 1.0 dB
316#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_1_5_DB 0b00000010 // 2 0 1.5 dB
317#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_2_0_DB 0b00000011 // 2 0 2.0 dB
318#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_3_0_DB 0b00000100 // 2 0 3.0 dB
319#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_4_0_DB 0b00000101 // 2 0 4.0 dB
320#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_5_0_DB 0b00000110 // 2 0 5.0 dB
321#define RADIOLIB_SX127X_OOK_PEAK_THRESH_STEP_6_0_DB 0b00000111 // 2 0 6.0 dB
322
323// RADIOLIB_SX127X_REG_OOK_FIX
324#define RADIOLIB_SX127X_OOK_FIXED_THRESHOLD 0x0C // 7 0 default fixed threshold for OOK data slicer
325
326// RADIOLIB_SX127X_REG_OOK_AVG
327#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_1_1_CHIP 0b00000000 // 7 5 OOK demodulator step period: once per chip (default)
328#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_1_2_CHIP 0b00100000 // 7 5 once every 2 chips
329#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_1_4_CHIP 0b01000000 // 7 5 once every 4 chips
330#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_1_8_CHIP 0b01100000 // 7 5 once every 8 chips
331#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_2_1_CHIP 0b10000000 // 7 5 2 times per chip
332#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_4_1_CHIP 0b10100000 // 7 5 4 times per chip
333#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_8_1_CHIP 0b11000000 // 7 5 8 times per chip
334#define RADIOLIB_SX127X_OOK_PEAK_THRESH_DEC_16_1_CHIP 0b11100000 // 7 5 16 times per chip
335#define RADIOLIB_SX127X_OOK_AVERAGE_OFFSET_0_DB 0b00000000 // 3 2 OOK average threshold offset: 0.0 dB (default)
336#define RADIOLIB_SX127X_OOK_AVERAGE_OFFSET_2_DB 0b00000100 // 3 2 2.0 dB
337#define RADIOLIB_SX127X_OOK_AVERAGE_OFFSET_4_DB 0b00001000 // 3 2 4.0 dB
338#define RADIOLIB_SX127X_OOK_AVERAGE_OFFSET_6_DB 0b00001100 // 3 2 6.0 dB
339#define RADIOLIB_SX127X_OOK_AVG_THRESH_FILT_32_PI 0b00000000 // 1 0 OOK average filter coefficient: chip rate / 32*pi
340#define RADIOLIB_SX127X_OOK_AVG_THRESH_FILT_8_PI 0b00000001 // 1 0 chip rate / 8*pi
341#define RADIOLIB_SX127X_OOK_AVG_THRESH_FILT_4_PI 0b00000010 // 1 0 chip rate / 4*pi (default)
342#define RADIOLIB_SX127X_OOK_AVG_THRESH_FILT_2_PI 0b00000011 // 1 0 chip rate / 2*pi
343
344// RADIOLIB_SX127X_REG_AFC_FEI
345#define RADIOLIB_SX127X_AGC_START 0b00010000 // 4 4 manually start AGC sequence
346#define RADIOLIB_SX127X_AFC_CLEAR 0b00000010 // 1 1 manually clear AFC register
347#define RADIOLIB_SX127X_AFC_AUTO_CLEAR_OFF 0b00000000 // 0 0 AFC register will not be cleared at the start of AFC (default)
348#define RADIOLIB_SX127X_AFC_AUTO_CLEAR_ON 0b00000001 // 0 0 AFC register will be cleared at the start of AFC
349
350// RADIOLIB_SX127X_REG_PREAMBLE_DETECT
351#define RADIOLIB_SX127X_PREAMBLE_DETECTOR_OFF 0b00000000 // 7 7 preamble detection disabled
352#define RADIOLIB_SX127X_PREAMBLE_DETECTOR_ON 0b10000000 // 7 7 preamble detection enabled (default)
353#define RADIOLIB_SX127X_PREAMBLE_DETECTOR_1_BYTE 0b00000000 // 6 5 preamble detection size: 1 byte (default)
354#define RADIOLIB_SX127X_PREAMBLE_DETECTOR_2_BYTE 0b00100000 // 6 5 2 bytes
355#define RADIOLIB_SX127X_PREAMBLE_DETECTOR_3_BYTE 0b01000000 // 6 5 3 bytes
356#define RADIOLIB_SX127X_PREAMBLE_DETECTOR_TOL 0x0A // 4 0 default number of tolerated errors per chip (4 chips per bit)
357
358// RADIOLIB_SX127X_REG_RX_TIMEOUT_1
359#define RADIOLIB_SX127X_TIMEOUT_RX_RSSI_OFF 0x00 // 7 0 disable receiver timeout when RSSI interrupt doesn't occur (default)
360
361// RADIOLIB_SX127X_REG_RX_TIMEOUT_2
362#define RADIOLIB_SX127X_TIMEOUT_RX_PREAMBLE_OFF 0x00 // 7 0 disable receiver timeout when preamble interrupt doesn't occur (default)
363
364// RADIOLIB_SX127X_REG_RX_TIMEOUT_3
365#define RADIOLIB_SX127X_TIMEOUT_SIGNAL_SYNC_OFF 0x00 // 7 0 disable receiver timeout when sync address interrupt doesn't occur (default)
366
367// RADIOLIB_SX127X_REG_OSC
368#define RADIOLIB_SX127X_RC_CAL_START 0b00000000 // 3 3 manually start RC oscillator calibration
369#define RADIOLIB_SX127X_CLK_OUT_FXOSC 0b00000000 // 2 0 ClkOut frequency: F(XOSC)
370#define RADIOLIB_SX127X_CLK_OUT_FXOSC_2 0b00000001 // 2 0 F(XOSC) / 2
371#define RADIOLIB_SX127X_CLK_OUT_FXOSC_4 0b00000010 // 2 0 F(XOSC) / 4
372#define RADIOLIB_SX127X_CLK_OUT_FXOSC_8 0b00000011 // 2 0 F(XOSC) / 8
373#define RADIOLIB_SX127X_CLK_OUT_FXOSC_16 0b00000100 // 2 0 F(XOSC) / 16
374#define RADIOLIB_SX127X_CLK_OUT_FXOSC_32 0b00000101 // 2 0 F(XOSC) / 32
375#define RADIOLIB_SX127X_CLK_OUT_RC 0b00000110 // 2 0 RC
376#define RADIOLIB_SX127X_CLK_OUT_OFF 0b00000111 // 2 0 disabled (default)
377
378// RADIOLIB_SX127X_REG_PREAMBLE_MSB_FSK + SX127X_REG_PREAMBLE_LSB_FSK
379#define RADIOLIB_SX127X_PREAMBLE_SIZE_MSB 0x00 // 7 0 preamble size in bytes
380#define RADIOLIB_SX127X_PREAMBLE_SIZE_LSB 0x03 // 7 0 default value: 3 bytes
381
382// RADIOLIB_SX127X_REG_SYNC_CONFIG
383#define RADIOLIB_SX127X_AUTO_RESTART_RX_MODE_OFF 0b00000000 // 7 6 Rx mode restart after packet reception: disabled
384#define RADIOLIB_SX127X_AUTO_RESTART_RX_MODE_NO_PLL 0b01000000 // 7 6 enabled, don't wait for PLL lock
385#define RADIOLIB_SX127X_AUTO_RESTART_RX_MODE_PLL 0b10000000 // 7 6 enabled, wait for PLL lock (default)
386#define RADIOLIB_SX127X_PREAMBLE_POLARITY_AA 0b00000000 // 5 5 preamble polarity: 0xAA = 0b10101010 (default)
387#define RADIOLIB_SX127X_PREAMBLE_POLARITY_55 0b00100000 // 5 5 0x55 = 0b01010101
388#define RADIOLIB_SX127X_SYNC_OFF 0b00000000 // 4 4 sync word disabled
389#define RADIOLIB_SX127X_SYNC_ON 0b00010000 // 4 4 sync word enabled (default)
390#define RADIOLIB_SX127X_SYNC_SIZE 0x03 // 2 0 sync word size in bytes, SyncSize = SYNC_SIZE + 1 bytes
391
392// RADIOLIB_SX127X_REG_SYNC_VALUE_1 - SX127X_REG_SYNC_VALUE_8
393#define RADIOLIB_SX127X_SYNC_VALUE_1 0x01 // 7 0 sync word: 1st byte (MSB)
394#define RADIOLIB_SX127X_SYNC_VALUE_2 0x01 // 7 0 2nd byte
395#define RADIOLIB_SX127X_SYNC_VALUE_3 0x01 // 7 0 3rd byte
396#define RADIOLIB_SX127X_SYNC_VALUE_4 0x01 // 7 0 4th byte
397#define RADIOLIB_SX127X_SYNC_VALUE_5 0x01 // 7 0 5th byte
398#define RADIOLIB_SX127X_SYNC_VALUE_6 0x01 // 7 0 6th byte
399#define RADIOLIB_SX127X_SYNC_VALUE_7 0x01 // 7 0 7th byte
400#define RADIOLIB_SX127X_SYNC_VALUE_8 0x01 // 7 0 8th byte (LSB)
401
402// RADIOLIB_SX127X_REG_PACKET_CONFIG_1
403#define RADIOLIB_SX127X_PACKET_FIXED 0b00000000 // 7 7 packet format: fixed length
404#define RADIOLIB_SX127X_PACKET_VARIABLE 0b10000000 // 7 7 variable length (default)
405#define RADIOLIB_SX127X_DC_FREE_NONE 0b00000000 // 6 5 DC-free encoding: disabled (default)
406#define RADIOLIB_SX127X_DC_FREE_MANCHESTER 0b00100000 // 6 5 Manchester
407#define RADIOLIB_SX127X_DC_FREE_WHITENING 0b01000000 // 6 5 Whitening
408#define RADIOLIB_SX127X_CRC_OFF 0b00000000 // 4 4 CRC disabled
409#define RADIOLIB_SX127X_CRC_ON 0b00010000 // 4 4 CRC enabled (default)
410#define RADIOLIB_SX127X_CRC_AUTOCLEAR_OFF 0b00001000 // 3 3 keep FIFO on CRC mismatch, issue payload ready interrupt
411#define RADIOLIB_SX127X_CRC_AUTOCLEAR_ON 0b00000000 // 3 3 clear FIFO on CRC mismatch, do not issue payload ready interrupt
412#define RADIOLIB_SX127X_ADDRESS_FILTERING_OFF 0b00000000 // 2 1 address filtering: none (default)
413#define RADIOLIB_SX127X_ADDRESS_FILTERING_NODE 0b00000010 // 2 1 node
414#define RADIOLIB_SX127X_ADDRESS_FILTERING_NODE_BROADCAST 0b00000100 // 2 1 node or broadcast
415#define RADIOLIB_SX127X_CRC_WHITENING_TYPE_CCITT 0b00000000 // 0 0 CRC and whitening algorithms: CCITT CRC with standard whitening (default)
416#define RADIOLIB_SX127X_CRC_WHITENING_TYPE_IBM 0b00000001 // 0 0 IBM CRC with alternate whitening
417
418// RADIOLIB_SX127X_REG_PACKET_CONFIG_2
419#define RADIOLIB_SX127X_DATA_MODE_PACKET 0b01000000 // 6 6 data mode: packet (default)
420#define RADIOLIB_SX127X_DATA_MODE_CONTINUOUS 0b00000000 // 6 6 continuous
421#define RADIOLIB_SX127X_IO_HOME_OFF 0b00000000 // 5 5 io-homecontrol compatibility disabled (default)
422#define RADIOLIB_SX127X_IO_HOME_ON 0b00100000 // 5 5 io-homecontrol compatibility enabled
423
424// RADIOLIB_SX127X_REG_FIFO_THRESH
425#define RADIOLIB_SX127X_TX_START_FIFO_LEVEL 0b00000000 // 7 7 start packet transmission when: number of bytes in FIFO exceeds FIFO_THRESHOLD
426#define RADIOLIB_SX127X_TX_START_FIFO_NOT_EMPTY 0b10000000 // 7 7 at least one byte in FIFO (default)
427#define RADIOLIB_SX127X_FIFO_THRESH 0x1F // 5 0 FIFO level threshold
428
429// RADIOLIB_SX127X_REG_SEQ_CONFIG_1
430#define RADIOLIB_SX127X_SEQUENCER_START 0b10000000 // 7 7 manually start sequencer
431#define RADIOLIB_SX127X_SEQUENCER_STOP 0b01000000 // 6 6 manually stop sequencer
432#define RADIOLIB_SX127X_IDLE_MODE_STANDBY 0b00000000 // 5 5 chip mode during sequencer idle mode: standby (default)
433#define RADIOLIB_SX127X_IDLE_MODE_SLEEP 0b00100000 // 5 5 sleep
434#define RADIOLIB_SX127X_FROM_START_LP_SELECTION 0b00000000 // 4 3 mode that will be set after starting sequencer: low power selection (default)
435#define RADIOLIB_SX127X_FROM_START_RECEIVE 0b00001000 // 4 3 receive
436#define RADIOLIB_SX127X_FROM_START_TRANSMIT 0b00010000 // 4 3 transmit
437#define RADIOLIB_SX127X_FROM_START_TRANSMIT_FIFO_LEVEL 0b00011000 // 4 3 transmit on a FIFO level interrupt
438#define RADIOLIB_SX127X_LP_SELECTION_SEQ_OFF 0b00000000 // 2 2 mode that will be set after exiting low power selection: sequencer off (default)
439#define RADIOLIB_SX127X_LP_SELECTION_IDLE 0b00000100 // 2 2 idle state
440#define RADIOLIB_SX127X_FROM_IDLE_TRANSMIT 0b00000000 // 1 1 mode that will be set after exiting idle mode: transmit (default)
441#define RADIOLIB_SX127X_FROM_IDLE_RECEIVE 0b00000010 // 1 1 receive
442#define RADIOLIB_SX127X_FROM_TRANSMIT_LP_SELECTION 0b00000000 // 0 0 mode that will be set after exiting transmit mode: low power selection (default)
443#define RADIOLIB_SX127X_FROM_TRANSMIT_RECEIVE 0b00000001 // 0 0 receive
444
445// RADIOLIB_SX127X_REG_SEQ_CONFIG_2
446#define RADIOLIB_SX127X_FROM_RECEIVE_PACKET_RECEIVED_PAYLOAD 0b00100000 // 7 5 mode that will be set after exiting receive mode: packet received on payload ready interrupt (default)
447#define RADIOLIB_SX127X_FROM_RECEIVE_LP_SELECTION 0b01000000 // 7 5 low power selection
448#define RADIOLIB_SX127X_FROM_RECEIVE_PACKET_RECEIVED_CRC_OK 0b01100000 // 7 5 packet received on CRC OK interrupt
449#define RADIOLIB_SX127X_FROM_RECEIVE_SEQ_OFF_RSSI 0b10000000 // 7 5 sequencer off on RSSI interrupt
450#define RADIOLIB_SX127X_FROM_RECEIVE_SEQ_OFF_SYNC_ADDR 0b10100000 // 7 5 sequencer off on sync address interrupt
451#define RADIOLIB_SX127X_FROM_RECEIVE_SEQ_OFF_PREAMBLE_DETECT 0b11000000 // 7 5 sequencer off on preamble detect interrupt
452#define RADIOLIB_SX127X_FROM_RX_TIMEOUT_RECEIVE 0b00000000 // 4 3 mode that will be set after Rx timeout: receive (default)
453#define RADIOLIB_SX127X_FROM_RX_TIMEOUT_TRANSMIT 0b00001000 // 4 3 transmit
454#define RADIOLIB_SX127X_FROM_RX_TIMEOUT_LP_SELECTION 0b00010000 // 4 3 low power selection
455#define RADIOLIB_SX127X_FROM_RX_TIMEOUT_SEQ_OFF 0b00011000 // 4 3 sequencer off
456#define RADIOLIB_SX127X_FROM_PACKET_RECEIVED_SEQ_OFF 0b00000000 // 2 0 mode that will be set after packet received: sequencer off (default)
457#define RADIOLIB_SX127X_FROM_PACKET_RECEIVED_TRANSMIT 0b00000001 // 2 0 transmit
458#define RADIOLIB_SX127X_FROM_PACKET_RECEIVED_LP_SELECTION 0b00000010 // 2 0 low power selection
459#define RADIOLIB_SX127X_FROM_PACKET_RECEIVED_RECEIVE_FS 0b00000011 // 2 0 receive via FS
460#define RADIOLIB_SX127X_FROM_PACKET_RECEIVED_RECEIVE 0b00000100 // 2 0 receive
461
462// RADIOLIB_SX127X_REG_TIMER_RESOL
463#define RADIOLIB_SX127X_TIMER1_OFF 0b00000000 // 3 2 timer 1 resolution: disabled (default)
464#define RADIOLIB_SX127X_TIMER1_RESOLUTION_64_US 0b00000100 // 3 2 64 us
465#define RADIOLIB_SX127X_TIMER1_RESOLUTION_4_1_MS 0b00001000 // 3 2 4.1 ms
466#define RADIOLIB_SX127X_TIMER1_RESOLUTION_262_MS 0b00001100 // 3 2 262 ms
467#define RADIOLIB_SX127X_TIMER2_OFF 0b00000000 // 3 2 timer 2 resolution: disabled (default)
468#define RADIOLIB_SX127X_TIMER2_RESOLUTION_64_US 0b00000001 // 3 2 64 us
469#define RADIOLIB_SX127X_TIMER2_RESOLUTION_4_1_MS 0b00000010 // 3 2 4.1 ms
470#define RADIOLIB_SX127X_TIMER2_RESOLUTION_262_MS 0b00000011 // 3 2 262 ms
471
472// RADIOLIB_SX127X_REG_TIMER1_COEF
473#define RADIOLIB_SX127X_TIMER1_COEFFICIENT 0xF5 // 7 0 multiplication coefficient for timer 1
474
475// RADIOLIB_SX127X_REG_TIMER2_COEF
476#define RADIOLIB_SX127X_TIMER2_COEFFICIENT 0x20 // 7 0 multiplication coefficient for timer 2
477
478// RADIOLIB_SX127X_REG_IMAGE_CAL
479#define RADIOLIB_SX127X_AUTO_IMAGE_CAL_OFF 0b00000000 // 7 7 temperature calibration disabled (default)
480#define RADIOLIB_SX127X_AUTO_IMAGE_CAL_ON 0b10000000 // 7 7 temperature calibration enabled
481#define RADIOLIB_SX127X_IMAGE_CAL_START 0b01000000 // 6 6 start temperature calibration
482#define RADIOLIB_SX127X_IMAGE_CAL_RUNNING 0b00100000 // 5 5 temperature calibration is on-going
483#define RADIOLIB_SX127X_IMAGE_CAL_COMPLETE 0b00000000 // 5 5 temperature calibration finished
484#define RADIOLIB_SX127X_TEMP_CHANGED 0b00001000 // 3 3 temperature changed more than TEMP_THRESHOLD since last calibration
485#define RADIOLIB_SX127X_TEMP_THRESHOLD_5_DEG_C 0b00000000 // 2 1 temperature change threshold: 5 deg. C
486#define RADIOLIB_SX127X_TEMP_THRESHOLD_10_DEG_C 0b00000010 // 2 1 10 deg. C (default)
487#define RADIOLIB_SX127X_TEMP_THRESHOLD_15_DEG_C 0b00000100 // 2 1 15 deg. C
488#define RADIOLIB_SX127X_TEMP_THRESHOLD_20_DEG_C 0b00000110 // 2 1 20 deg. C
489#define RADIOLIB_SX127X_TEMP_MONITOR_ON 0b00000000 // 0 0 temperature monitoring enabled (default)
490#define RADIOLIB_SX127X_TEMP_MONITOR_OFF 0b00000001 // 0 0 temperature monitoring disabled
491
492// RADIOLIB_SX127X_REG_LOW_BAT
493#define RADIOLIB_SX127X_LOW_BAT_OFF 0b00000000 // 3 3 low battery detector disabled
494#define RADIOLIB_SX127X_LOW_BAT_ON 0b00001000 // 3 3 low battery detector enabled
495#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_1_695_V 0b00000000 // 2 0 battery voltage threshold: 1.695 V
496#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_1_764_V 0b00000001 // 2 0 1.764 V
497#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_1_835_V 0b00000010 // 2 0 1.835 V (default)
498#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_1_905_V 0b00000011 // 2 0 1.905 V
499#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_1_976_V 0b00000100 // 2 0 1.976 V
500#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_2_045_V 0b00000101 // 2 0 2.045 V
501#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_2_116_V 0b00000110 // 2 0 2.116 V
502#define RADIOLIB_SX127X_LOW_BAT_THRESHOLD_2_185_V 0b00000111 // 2 0 2.185 V
503
504// RADIOLIB_SX127X_REG_IRQ_FLAGS_1
505#define RADIOLIB_SX127X_FLAG_MODE_READY 0b10000000 // 7 7 requested mode is ready
506#define RADIOLIB_SX127X_FLAG_RX_READY 0b01000000 // 6 6 reception ready (after RSSI, AGC, AFC)
507#define RADIOLIB_SX127X_FLAG_TX_READY 0b00100000 // 5 5 transmission ready (after PA ramp-up)
508#define RADIOLIB_SX127X_FLAG_PLL_LOCK 0b00010000 // 4 4 PLL locked
509#define RADIOLIB_SX127X_FLAG_RSSI 0b00001000 // 3 3 RSSI value exceeds RSSI threshold
510#define RADIOLIB_SX127X_FLAG_TIMEOUT 0b00000100 // 2 2 timeout occurred
511#define RADIOLIB_SX127X_FLAG_PREAMBLE_DETECT 0b00000010 // 1 1 valid preamble was detected
512#define RADIOLIB_SX127X_FLAG_SYNC_ADDRESS_MATCH 0b00000001 // 0 0 sync address matched
513
514// RADIOLIB_SX127X_REG_IRQ_FLAGS_2
515#define RADIOLIB_SX127X_FLAG_FIFO_FULL 0b10000000 // 7 7 FIFO is full
516#define RADIOLIB_SX127X_FLAG_FIFO_EMPTY 0b01000000 // 6 6 FIFO is empty
517#define RADIOLIB_SX127X_FLAG_FIFO_LEVEL 0b00100000 // 5 5 number of bytes in FIFO exceeds FIFO_THRESHOLD
518#define RADIOLIB_SX127X_FLAG_FIFO_OVERRUN 0b00010000 // 4 4 FIFO overrun occurred
519#define RADIOLIB_SX127X_FLAG_PACKET_SENT 0b00001000 // 3 3 packet was successfully sent
520#define RADIOLIB_SX127X_FLAG_PAYLOAD_READY 0b00000100 // 2 2 packet was successfully received
521#define RADIOLIB_SX127X_FLAG_CRC_OK 0b00000010 // 1 1 CRC check passed
522#define RADIOLIB_SX127X_FLAG_LOW_BAT 0b00000001 // 0 0 battery voltage dropped below threshold
523#define RADIOLIB_SX127X_FLAGS_ALL 0xFFFF
524
525// RADIOLIB_SX127X_REG_DIO_MAPPING_1
526#define RADIOLIB_SX127X_DIO0_LORA_RX_DONE 0b00000000 // 7 6
527#define RADIOLIB_SX127X_DIO0_LORA_TX_DONE 0b01000000 // 7 6
528#define RADIOLIB_SX127X_DIO0_LORA_CAD_DONE 0b10000000 // 7 6
529#define RADIOLIB_SX127X_DIO0_CONT_MODE_READY 0b11000000 // 7 6
530#define RADIOLIB_SX127X_DIO0_CONT_SYNC_ADDRESS 0b00000000 // 7 6
531#define RADIOLIB_SX127X_DIO0_CONT_RSSI_PREAMBLE_DETECT 0b01000000 // 7 6
532#define RADIOLIB_SX127X_DIO0_CONT_RX_READY 0b10000000 // 7 6
533#define RADIOLIB_SX127X_DIO0_CONT_TX_READY 0b00000000 // 7 6
534#define RADIOLIB_SX127X_DIO0_PACK_PAYLOAD_READY 0b00000000 // 7 6
535#define RADIOLIB_SX127X_DIO0_PACK_PACKET_SENT 0b00000000 // 7 6
536#define RADIOLIB_SX127X_DIO0_PACK_CRC_OK 0b01000000 // 7 6
537#define RADIOLIB_SX127X_DIO0_PACK_TEMP_CHANGE_LOW_BAT 0b11000000 // 7 6
538#define RADIOLIB_SX127X_DIO1_LORA_RX_TIMEOUT 0b00000000 // 5 4
539#define RADIOLIB_SX127X_DIO1_LORA_FHSS_CHANGE_CHANNEL 0b00010000 // 5 4
540#define RADIOLIB_SX127X_DIO1_LORA_CAD_DETECTED 0b00100000 // 5 4
541#define RADIOLIB_SX127X_DIO1_CONT_DCLK 0b00000000 // 5 4
542#define RADIOLIB_SX127X_DIO1_CONT_RSSI_PREAMBLE_DETECT 0b00010000 // 5 4
543#define RADIOLIB_SX127X_DIO1_PACK_FIFO_LEVEL 0b00000000 // 5 4
544#define RADIOLIB_SX127X_DIO1_PACK_FIFO_EMPTY 0b00010000 // 5 4
545#define RADIOLIB_SX127X_DIO1_PACK_FIFO_FULL 0b00100000 // 5 4
546#define RADIOLIB_SX127X_DIO2_LORA_FHSS_CHANGE_CHANNEL 0b00000000 // 3 2
547#define RADIOLIB_SX127X_DIO2_CONT_DATA 0b00000000 // 3 2
548#define RADIOLIB_SX127X_DIO2_PACK_FIFO_FULL 0b00000000 // 3 2
549#define RADIOLIB_SX127X_DIO2_PACK_RX_READY 0b00000100 // 3 2
550#define RADIOLIB_SX127X_DIO2_PACK_TIMEOUT 0b00001000 // 3 2
551#define RADIOLIB_SX127X_DIO2_PACK_SYNC_ADDRESS 0b00011000 // 3 2
552#define RADIOLIB_SX127X_DIO3_LORA_CAD_DONE 0b00000000 // 1 0
553#define RADIOLIB_SX127X_DIO3_LORA_VALID_HEADER 0b00000001 // 1 0
554#define RADIOLIB_SX127X_DIO3_LORA_PAYLOAD_CRC_ERROR 0b00000010 // 1 0
555#define RADIOLIB_SX127X_DIO3_CONT_TIMEOUT 0b00000000 // 1 0
556#define RADIOLIB_SX127X_DIO3_CONT_RSSI_PREAMBLE_DETECT 0b00000001 // 1 0
557#define RADIOLIB_SX127X_DIO3_CONT_TEMP_CHANGE_LOW_BAT 0b00000011 // 1 0
558#define RADIOLIB_SX127X_DIO3_PACK_FIFO_EMPTY 0b00000000 // 1 0
559#define RADIOLIB_SX127X_DIO3_PACK_TX_READY 0b00000001 // 1 0
560
561// RADIOLIB_SX127X_REG_DIO_MAPPING_2
562#define RADIOLIB_SX127X_DIO4_LORA_CAD_DETECTED 0b10000000 // 7 6
563#define RADIOLIB_SX127X_DIO4_LORA_PLL_LOCK 0b01000000 // 7 6
564#define RADIOLIB_SX127X_DIO4_CONT_TEMP_CHANGE_LOW_BAT 0b00000000 // 7 6
565#define RADIOLIB_SX127X_DIO4_CONT_PLL_LOCK 0b01000000 // 7 6
566#define RADIOLIB_SX127X_DIO4_CONT_TIMEOUT 0b10000000 // 7 6
567#define RADIOLIB_SX127X_DIO4_CONT_MODE_READY 0b11000000 // 7 6
568#define RADIOLIB_SX127X_DIO4_PACK_TEMP_CHANGE_LOW_BAT 0b00000000 // 7 6
569#define RADIOLIB_SX127X_DIO4_PACK_PLL_LOCK 0b01000000 // 7 6
570#define RADIOLIB_SX127X_DIO4_PACK_TIMEOUT 0b10000000 // 7 6
571#define RADIOLIB_SX127X_DIO4_PACK_RSSI_PREAMBLE_DETECT 0b11000000 // 7 6
572#define RADIOLIB_SX127X_DIO5_LORA_MODE_READY 0b00000000 // 5 4
573#define RADIOLIB_SX127X_DIO5_LORA_CLK_OUT 0b00010000 // 5 4
574#define RADIOLIB_SX127X_DIO5_CONT_CLK_OUT 0b00000000 // 5 4
575#define RADIOLIB_SX127X_DIO5_CONT_PLL_LOCK 0b00010000 // 5 4
576#define RADIOLIB_SX127X_DIO5_CONT_RSSI_PREAMBLE_DETECT 0b00100000 // 5 4
577#define RADIOLIB_SX127X_DIO5_CONT_MODE_READY 0b00110000 // 5 4
578#define RADIOLIB_SX127X_DIO5_PACK_CLK_OUT 0b00000000 // 5 4
579#define RADIOLIB_SX127X_DIO5_PACK_PLL_LOCK 0b00010000 // 5 4
580#define RADIOLIB_SX127X_DIO5_PACK_DATA 0b00100000 // 5 4
581#define RADIOLIB_SX127X_DIO5_PACK_MODE_READY 0b00110000 // 5 4
582#define RADIOLIB_SX127X_DIO_MAP_PREAMBLE_DETECT 0b00000001 // 0 0
583#define RADIOLIB_SX127X_DIO_MAP_RSSI 0b00000000 // 0 0
584
585// SX1272_REG_PLL_HOP + SX1278_REG_PLL_HOP
586#define RADIOLIB_SX127X_FAST_HOP_OFF 0b00000000 // 7 7 carrier frequency validated when FRF registers are written
587#define RADIOLIB_SX127X_FAST_HOP_ON 0b10000000 // 7 7 carrier frequency validated when FS modes are requested
588
589// SX1272_REG_TCXO + SX1278_REG_TCXO
590#define RADIOLIB_SX127X_TCXO_INPUT_EXTERNAL 0b00000000 // 4 4 use external crystal oscillator
591#define RADIOLIB_SX127X_TCXO_INPUT_EXTERNAL_CLIPPED 0b00010000 // 4 4 use external crystal oscillator clipped sine connected to XTA pin
592
593// SX1272_REG_PLL + SX1278_REG_PLL
594#define RADIOLIB_SX127X_PLL_BANDWIDTH_75_KHZ 0b00000000 // 7 6 PLL bandwidth: 75 kHz
595#define RADIOLIB_SX127X_PLL_BANDWIDTH_150_KHZ 0b01000000 // 7 6 150 kHz
596#define RADIOLIB_SX127X_PLL_BANDWIDTH_225_KHZ 0b10000000 // 7 6 225 kHz
597#define RADIOLIB_SX127X_PLL_BANDWIDTH_300_KHZ 0b11000000 // 7 6 300 kHz (default)
598
604class SX127x: public PhysicalLayer {
605 public:
606 // introduce PhysicalLayer overloads
612
613 // constructor
614
619 explicit SX127x(Module* mod);
620
626 uint8_t gain = 0;
627
632 bool enableOOK = false;
633
634 // basic methods
635
644 int16_t begin(const uint8_t* chipVersions, uint8_t numVersions, uint8_t syncWord, uint16_t preambleLength);
645
649 virtual void reset();
650
660 int16_t beginFSK(const uint8_t* chipVersions, uint8_t numVersions, float freqDev, float rxBw, uint16_t preambleLength);
661
670 int16_t transmit(const uint8_t* data, size_t len, uint8_t addr = 0) override;
671
681 int16_t receive(uint8_t* data, size_t len, RadioLibTime_t timeout = 0) override;
682
687 int16_t scanChannel() override;
688
694 int16_t scanChannel(const ChannelScanConfig_t &config) override;
695
701 int16_t sleep() override;
702
707 int16_t standby() override;
708
714 int16_t standby(uint8_t mode) override;
715
722 int16_t transmitDirect(uint32_t frf = 0) override;
723
729 int16_t receiveDirect() override;
730
735 int16_t packetMode();
736
737 // interrupt methods
738
744 void setDio0Action(void (*func)(void), uint32_t dir);
745
749 void clearDio0Action();
750
756 void setDio1Action(void (*func)(void), uint32_t dir);
757
761 void clearDio1Action();
762
767 void setPacketReceivedAction(void (*func)(void)) override;
768
772 void clearPacketReceivedAction() override;
773
778 void setPacketSentAction(void (*func)(void)) override;
779
783 void clearPacketSentAction() override;
784
789 void setChannelScanAction(void (*func)(void)) override;
790
794 void clearChannelScanAction() override;
795
800 void setFifoEmptyAction(void (*func)(void));
801
806
813 void setFifoThreshold(uint8_t threshold);
814
819 void setFifoFullAction(void (*func)(void));
820
824 void clearFifoFullAction();
825
833 bool fifoAdd(uint8_t* data, int totalLen, int* remLen);
834
842 bool fifoGet(volatile uint8_t* data, int totalLen, volatile int* rcvLen);
843
848 int16_t finishTransmit() override;
849
855 int16_t startReceive() override;
856
865 int16_t readData(uint8_t* data, size_t len) override;
866
871 int16_t finishReceive() override;
872
878 int16_t startChannelScan() override;
879
886 int16_t startChannelScan(const ChannelScanConfig_t &cfg) override;
887
892 int16_t getChannelScanResult() override;
893
894 // configuration methods
895
901 int16_t setSyncWord(uint8_t syncWord);
902
908 int16_t setCurrentLimit(uint8_t currentLimit);
909
915 int16_t setPreambleLength(size_t preambleLength) override;
916
922 int16_t invertPreamble(bool enable);
923
929 float getFrequencyError(bool autoCorrect = false);
930
935 float getAFCError();
936
941 float getSNR() override;
942
948 int16_t setFrequencyDeviation(float freqDev) override;
949
955 int16_t setRxBandwidth(float rxBw);
956
962 int16_t setAFCBandwidth(float afcBw);
963
969 int16_t setAFC(bool isEnabled);
970
976 int16_t setAFCAGCTrigger(uint8_t trigger);
977
984 int16_t setSyncWord(uint8_t* syncWord, size_t len) override;
985
991 int16_t setNodeAddress(uint8_t nodeAddr);
992
998 int16_t setBroadcastAddress(uint8_t broadAddr);
999
1004 int16_t disableAddressFiltering();
1005
1011 int16_t setOOK(bool enable);
1012
1018 int16_t setOokThresholdType(uint8_t type);
1019
1025 int16_t setOokPeakThresholdDecrement(uint8_t value);
1026
1032 int16_t setOokFixedOrFloorThreshold(uint8_t value);
1033
1039 int16_t setOokPeakThresholdStep(uint8_t value);
1040
1045 int16_t enableBitSync();
1046
1051 int16_t disableBitSync();
1052
1058 size_t getPacketLength(bool update = true) override;
1059
1066 int16_t getLoRaRxHeaderInfo(uint8_t* cr, bool* hasCRC);
1067
1073 int16_t fixedPacketLengthMode(uint8_t len = RADIOLIB_SX127X_MAX_PACKET_LENGTH_FSK);
1074
1080 int16_t variablePacketLengthMode(uint8_t maxLen = RADIOLIB_SX127X_MAX_PACKET_LENGTH_FSK);
1081
1089 float getNumSymbols(size_t len, DataRate_t dr, PacketConfig_t pc);
1090
1096 RadioLibTime_t getTimeOnAir(size_t len) override;
1097
1106 RadioLibTime_t calculateTimeOnAir(ModemType_t modem, DataRate_t dr, PacketConfig_t pc, size_t len) override;
1107
1114
1119 uint32_t getIrqFlags() override;
1120
1130 int16_t setIrqFlags(uint32_t irq) override;
1131
1137 int16_t clearIrqFlags(uint32_t irq) override;
1138
1144 int16_t setCrcFiltering(bool enable = true);
1145
1153 int16_t setRSSIConfig(uint8_t smoothingSamples, int8_t offset = 0);
1154
1161 int16_t setEncoding(uint8_t encoding) override;
1162
1169 uint16_t getIRQFlags();
1170
1175 uint8_t getModemStatus();
1176
1182 int8_t getTempRaw();
1183
1185 void setRfSwitchPins(uint32_t rxEn, uint32_t txEn);
1186
1188 void setRfSwitchTable(const uint32_t (&pins)[Module::RFSWITCH_MAX_PINS], const Module::RfSwitchMode_t table[]);
1189
1194 uint8_t randomByte() override;
1195
1200 int16_t getChipVersion();
1201
1207 int16_t invertIQ(bool enable) override;
1208
1214 int16_t getModem(ModemType_t* modem) override;
1215
1217 int16_t stageMode(RadioModeType_t mode, RadioModeConfig_t* cfg) override;
1218
1220 int16_t launchMode() override;
1221
1222 #if !RADIOLIB_EXCLUDE_DIRECT_RECEIVE
1227 void setDirectAction(void (*func)(void)) override;
1228
1233 void readBit(uint32_t pin) override;
1234 #endif
1235
1241 int16_t setFHSSHoppingPeriod(uint8_t freqHoppingPeriod);
1242
1247 uint8_t getFHSSHoppingPeriod(void);
1248
1253 uint8_t getFHSSChannel(void);
1254
1258 void clearFHSSInt(void);
1259
1266 int16_t setDIOMapping(uint32_t pin, uint32_t value);
1267
1273 int16_t setDIOPreambleDetect(bool usePreambleDetect);
1274
1280 int16_t setRSSIThreshold(float dbm);
1281
1290 int16_t setLowBatteryThreshold(int8_t level, uint32_t pin = RADIOLIB_NC);
1291
1292#if !RADIOLIB_GODMODE && !RADIOLIB_LOW_LEVEL
1293 protected:
1294#endif
1295 Module* getMod() override;
1296
1297#if !RADIOLIB_GODMODE
1298 protected:
1299#endif
1300 float frequency = 0;
1301 float bandwidth = 125;
1302 uint8_t spreadingFactor = 9;
1303 size_t packetLength = 0;
1304 uint8_t codingRate = 0;
1305 bool crcEnabled = false;
1306 bool ookEnabled = false;
1307 bool implicitHdr = false;
1308 bool ldroAuto = true;
1309 bool ldroEnabled = false;
1310
1311 virtual int16_t configFSK();
1312 int16_t getActiveModem();
1313 int16_t setFrequencyRaw(float newFreq);
1314 int16_t setBitRateCommon(float br, uint8_t fracRegAddr);
1315 float getRSSICommon(bool packet, bool skipReceive, int16_t offset);
1316 int16_t setHeaderType(uint8_t headerType, uint8_t bitIndex, size_t len = 0xFF);
1317
1318#if !RADIOLIB_GODMODE
1319 private:
1320#endif
1321 Module* mod;
1322
1323 float bitRate = 0, frequencyDev = 0;
1324 bool crcOn = true; // default value used in FSK mode
1325 bool packetLengthQueried = false; // FSK packet length is the first byte in FIFO, length can only be queried once
1326 uint8_t packetLengthConfig = RADIOLIB_SX127X_PACKET_VARIABLE;
1327 uint8_t rxMode = RADIOLIB_SX127X_RXCONTINUOUS;
1328
1329 int16_t config();
1330 int16_t directMode();
1331 int16_t setPacketMode(uint8_t mode, uint8_t len);
1332 bool findChip(const uint8_t* vers, uint8_t num);
1333 int16_t setMode(uint8_t mode);
1334 int16_t setActiveModem(uint8_t modem);
1335 void clearFIFO(size_t count); // used mostly to clear remaining bytes in FIFO after a packet read
1336 int16_t findRxBw(float rxBw, const uint8_t* lut, size_t lutSize, float rxBwMax, uint8_t* val);
1337 int16_t setRxBw(float rxBw, bool afc);
1338
1339 virtual void errataFix(bool rx); // should be implemented in derived class
1340};
1341
1342#endif
1343
1344#endif
Implements all common low-level methods to control the wireless module. Every module class contains o...
Definition Module.h:69
static const size_t RFSWITCH_MAX_PINS
The maximum number of pins supported by the RF switch code. Note: It is not recommended to use this c...
Definition Module.h:78
Provides common interface for protocols that run on LoRa/FSK modules, such as RTTY or LoRaWAN....
Definition PhysicalLayer.h:390
virtual int16_t startReceive()
Sets module to received mode using its default configuration.
Definition PhysicalLayer.cpp:131
virtual int16_t readData(uint8_t *data, size_t len)
Reads data that was received after calling startReceive method.
Definition PhysicalLayer.cpp:225
int16_t transmit(const char *str, uint8_t addr=0)
C-string transmit method.
Definition PhysicalLayer.cpp:53
int16_t startTransmit(const char *str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method,...
Definition PhysicalLayer.cpp:156
virtual int16_t receive(uint8_t *data, size_t len, RadioLibTime_t timeout=0)
Binary receive method. Must be implemented in module class.
Definition PhysicalLayer.cpp:111
Base class for SX127x series. All derived classes for SX127x (e.g. SX1278 or SX1272) inherit from thi...
Definition SX127x.h:604
int16_t packetMode()
Disables direct mode and enables packet mode, allowing the module to receive packets....
Definition SX127x.cpp:374
void clearChannelScanAction() override
Clears interrupt service routine to call when a channel scan is finished.
Definition SX127x.cpp:429
void readBit(uint32_t pin) override
Function to read and process data bit in direct reception mode.
Definition SX127x.cpp:1919
void clearFifoFullAction()
Clears interrupt service routine to call when FIFO is full.
Definition SX127x.cpp:455
int16_t setDIOMapping(uint32_t pin, uint32_t value)
Configure DIO pin mapping to get a given signal on a DIO pin (if available).
Definition SX127x.cpp:1945
int16_t scanChannel() override
Performs scan for valid LoRa preamble in the current channel.
Definition SX127x.cpp:258
virtual void reset()
Reset method. Will reset the chip to the default state using RST pin. Should be implemented in derive...
Definition SX127x.cpp:254
int16_t setOokFixedOrFloorThreshold(uint8_t value)
Fixed threshold for the Data Slicer in OOK mode or floor threshold for the Data Slicer in OOK when Pe...
Definition SX127x.cpp:1054
int16_t enableBitSync()
Enable Bit synchronizer.
Definition SX127x.cpp:1078
int16_t variablePacketLengthMode(uint8_t maxLen=RADIOLIB_SX127X_MAX_PACKET_LENGTH_FSK)
Set modem in variable packet length mode. Available in FSK mode only.
Definition SX127x.cpp:1173
int16_t sleep() override
Sets the LoRa module to sleep to save power. Module will not be able to transmit or receive any data ...
Definition SX127x.cpp:282
void setFifoFullAction(void(*func)(void))
Set interrupt service routine function to call when FIFO is full.
Definition SX127x.cpp:446
uint32_t getIrqFlags() override
Read currently active IRQ flags.
Definition SX127x.cpp:1288
bool fifoGet(volatile uint8_t *data, int totalLen, volatile int *rcvLen)
Set interrupt service routine function to call when FIFO is sufficiently full to read.
Definition SX127x.cpp:488
int16_t setRxBandwidth(float rxBw)
Sets FSK receiver bandwidth. Allowed values range from 2.6 to 250 kHz. Only available in FSK mode.
Definition SX127x.cpp:860
uint8_t getModemStatus()
Reads modem status. Only available in LoRa mode.
Definition SX127x.cpp:1488
void clearPacketSentAction() override
Clears interrupt service routine to call when a packet is sent.
Definition SX127x.cpp:421
int16_t getModem(ModemType_t *modem) override
Get modem currently in use by the radio.
Definition SX127x.cpp:1734
void setPacketSentAction(void(*func)(void)) override
Sets interrupt service routine to call when a packet is sent.
Definition SX127x.cpp:417
int16_t invertIQ(bool enable) override
Enable/disable inversion of the I and Q signals.
Definition SX127x.cpp:1712
bool fifoAdd(uint8_t *data, int totalLen, int *remLen)
Set interrupt service routine function to call when FIFO is empty.
Definition SX127x.cpp:465
int16_t stageMode(RadioModeType_t mode, RadioModeConfig_t *cfg) override
Stage mode of the radio to be launched later using launchMode.
Definition SX127x.cpp:1750
int16_t setCurrentLimit(uint8_t currentLimit)
Sets current limit for over current protection at transmitter amplifier. Allowed values range from 45...
Definition SX127x.cpp:641
void clearFHSSInt(void)
Clear the FHSS interrupt.
Definition SX127x.cpp:1936
int16_t setAFC(bool isEnabled)
Enables or disables FSK automatic frequency correction(AFC)
Definition SX127x.cpp:940
int16_t setFrequencyDeviation(float freqDev) override
Sets FSK frequency deviation from carrier frequency. Allowed values depend on bit rate setting and mu...
Definition SX127x.cpp:829
int16_t getLoRaRxHeaderInfo(uint8_t *cr, bool *hasCRC)
Get LoRa header information from last received packet. Only valid in explicit header mode.
Definition SX127x.cpp:1155
size_t getPacketLength(bool update=true) override
Query modem for the packet length of received payload.
Definition SX127x.cpp:1127
float getSNR() override
Gets signal-to-noise ratio of the latest received packet. Only available in LoRa mode.
Definition SX127x.cpp:782
int16_t setOokPeakThresholdStep(uint8_t value)
Size of each decrement of the RSSI threshold in the OOK demodulator.
Definition SX127x.cpp:1070
float getAFCError()
Gets current AFC error.
Definition SX127x.cpp:766
int16_t setRSSIThreshold(float dbm)
Sets the RSSI value above which the RSSI interrupt is signaled.
Definition SX127x.cpp:1419
int16_t launchMode() override
Launch previously staged mode.
Definition SX127x.cpp:1891
int16_t receive(uint8_t *data, size_t len, RadioLibTime_t timeout=0) override
Binary receive method. Will attempt to receive arbitrary binary data up to 255 bytes long using LoRa ...
Definition SX127x.cpp:207
uint8_t getFHSSChannel(void)
Gets the FHSS channel in use.
Definition SX127x.cpp:1932
int16_t invertPreamble(bool enable)
Invert FSK preamble polarity. The default (non-inverted) is 0x55, the inverted is 0xAA.
Definition SX127x.cpp:694
int16_t setAFCBandwidth(float afcBw)
Sets FSK automatic frequency correction bandwidth. Allowed values range from 2.6 to 250 kHz....
Definition SX127x.cpp:864
float getNumSymbols(size_t len, DataRate_t dr, PacketConfig_t pc)
Convert from bytes to LoRa symbols.
Definition SX127x.cpp:1177
void clearPacketReceivedAction() override
Clears interrupt service routine to call when a packet is received.
Definition SX127x.cpp:413
int16_t startChannelScan() override
Interrupt-driven channel activity detection method. DIO1 will be activated when LoRa preamble is dete...
Definition SX127x.cpp:588
int16_t fixedPacketLengthMode(uint8_t len=RADIOLIB_SX127X_MAX_PACKET_LENGTH_FSK)
Set modem in fixed packet length mode. Available in FSK mode only.
Definition SX127x.cpp:1169
void setFifoEmptyAction(void(*func)(void))
Set interrupt service routine function to call when FIFO is empty.
Definition SX127x.cpp:433
void clearDio0Action()
Clears interrupt service routine to call when DIO0 activates.
Definition SX127x.cpp:391
int16_t transmit(const uint8_t *data, size_t len, uint8_t addr=0) override
Binary transmit method. Will transmit arbitrary binary data up to 255 bytes long using LoRa or up to ...
Definition SX127x.cpp:167
int16_t standby() override
Sets the LoRa module to standby.
Definition SX127x.cpp:295
void setDio1Action(void(*func)(void), uint32_t dir)
Set interrupt service routine function to call when DIO1 activates.
Definition SX127x.cpp:395
int16_t setDIOPreambleDetect(bool usePreambleDetect)
Configure DIO mapping to use RSSI or Preamble Detect for pins that support it.
Definition SX127x.cpp:1955
void setFifoThreshold(uint8_t threshold)
Set FIFO threshold level. Be aware that threshold is also set in setFifoFullAction method....
Definition SX127x.cpp:442
int16_t begin(const uint8_t *chipVersions, uint8_t numVersions, uint8_t syncWord, uint16_t preambleLength)
Initialization method. Will be called with appropriate parameters when calling initialization method ...
Definition SX127x.cpp:11
int16_t setFHSSHoppingPeriod(uint8_t freqHoppingPeriod)
Sets the hopping period and enables FHSS.
Definition SX127x.cpp:1924
int16_t finishTransmit() override
Clean up after transmission is done.
Definition SX127x.cpp:510
int16_t disableBitSync()
Disable Bit synchronizer (not allowed in Packet mode).
Definition SX127x.cpp:1082
int16_t getChannelScanResult() override
Read the channel scan result.
Definition SX127x.cpp:621
int16_t setPreambleLength(size_t preambleLength) override
Sets LoRa or FSK preamble length. Allowed values range from 6 to 65535 in LoRa mode or 0 to 65535 in ...
Definition SX127x.cpp:665
int16_t setOokThresholdType(uint8_t type)
Selects the type of threshold in the OOK data slicer.
Definition SX127x.cpp:1046
void setRfSwitchPins(uint32_t rxEn, uint32_t txEn)
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition SX127x.cpp:1498
int8_t getTempRaw()
Reads uncalibrated temperature value. This function will change operating mode and should not be call...
Definition SX127x.cpp:1535
uint8_t randomByte() override
Get one truly random byte from RSSI noise.
Definition SX127x.cpp:1506
RadioLibTime_t calculateTimeOnAir(ModemType_t modem, DataRate_t dr, PacketConfig_t pc, size_t len) override
Calculate the expected time-on-air for a given modem, data rate, packet configuration and payload siz...
Definition SX127x.cpp:1197
void clearDio1Action()
Clears interrupt service routine to call when DIO1 activates.
Definition SX127x.cpp:402
int16_t setLowBatteryThreshold(int8_t level, uint32_t pin=RADIOLIB_NC)
Set low battery indicator threshold.
Definition SX127x.cpp:2020
RadioLibTime_t getTimeOnAir(size_t len) override
Get expected time-on-air for a given size of payload.
Definition SX127x.cpp:1219
int16_t clearIrqFlags(uint32_t irq) override
Clear interrupt on a specific IRQ bit (e.g. RxTimeout, CadDone).
Definition SX127x.cpp:1394
int16_t receiveDirect() override
Enables direct reception mode on pins DIO1 (clock) and DIO2 (data). While in direct mode,...
Definition SX127x.cpp:337
void clearFifoEmptyAction()
Clears interrupt service routine to call when FIFO is empty.
Definition SX127x.cpp:438
int16_t beginFSK(const uint8_t *chipVersions, uint8_t numVersions, float freqDev, float rxBw, uint16_t preambleLength)
Initialization method for FSK modem. Will be called with appropriate parameters when calling FSK init...
Definition SX127x.cpp:71
int16_t setOokPeakThresholdDecrement(uint8_t value)
Period of decrement of the RSSI threshold in the OOK demodulator.
Definition SX127x.cpp:1062
int16_t setIrqFlags(uint32_t irq) override
Set interrupt on DIO1 to be sent on a specific IRQ bit (e.g. RxTimeout, CadDone). NOTE: Unlike other ...
Definition SX127x.cpp:1292
int16_t setAFCAGCTrigger(uint8_t trigger)
Controls trigger of AFC and AGC.
Definition SX127x.cpp:950
int16_t setCrcFiltering(bool enable=true)
Enable CRC filtering and generation.
Definition SX127x.cpp:1409
void setRfSwitchTable(const uint32_t(&pins)[Module::RFSWITCH_MAX_PINS], const Module::RfSwitchMode_t table[])
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition SX127x.cpp:1502
int16_t setNodeAddress(uint8_t nodeAddr)
Sets FSK node address. Calling this method will enable address filtering. Only available in FSK mode.
Definition SX127x.cpp:1000
int16_t setEncoding(uint8_t encoding) override
Sets transmission encoding. Only available in FSK mode. Allowed values are RADIOLIB_ENCODING_NRZ,...
Definition SX127x.cpp:1454
int16_t startReceive() override
Interrupt-driven receive method with default parameters. Implemented for compatibility with PhysicalL...
Definition SX127x.cpp:383
int16_t setBroadcastAddress(uint8_t broadAddr)
Sets FSK broadcast address. Calling this method will enable address filtering. Only available in FSK ...
Definition SX127x.cpp:1014
int16_t readData(uint8_t *data, size_t len) override
Reads data that was received after calling startReceive method. When the packet length is not known i...
Definition SX127x.cpp:523
void setChannelScanAction(void(*func)(void)) override
Sets interrupt service routine to call when a channel scan is finished.
Definition SX127x.cpp:425
int16_t setSyncWord(uint8_t syncWord)
Sets LoRa sync word. Only available in LoRa mode.
Definition SX127x.cpp:628
uint16_t getIRQFlags()
Reads currently active IRQ flags, can be used to check which event caused an interrupt....
Definition SX127x.cpp:1473
int16_t finishReceive() override
Clean up after reception is done.
Definition SX127x.cpp:579
int16_t setRSSIConfig(uint8_t smoothingSamples, int8_t offset=0)
Sets RSSI measurement configuration in FSK mode.
Definition SX127x.cpp:1425
uint8_t getFHSSHoppingPeriod(void)
Gets FHSS hopping period.
Definition SX127x.cpp:1928
RadioLibTime_t calculateRxTimeout(RadioLibTime_t timeoutUs) override
Calculate the timeout value for this specific module / series (in number of symbols or units of time)
Definition SX127x.cpp:1270
void setPacketReceivedAction(void(*func)(void)) override
Sets interrupt service routine to call when a packet is received.
Definition SX127x.cpp:409
int16_t setOOK(bool enable)
Enables/disables OOK modulation instead of FSK.
Definition SX127x.cpp:1086
void setDirectAction(void(*func)(void)) override
Set interrupt service routine function to call when data bit is received in direct mode.
Definition SX127x.cpp:1915
void setDio0Action(void(*func)(void), uint32_t dir)
Set interrupt service routine function to call when DIO0 activates.
Definition SX127x.cpp:387
int16_t getChipVersion()
Read version SPI register. Should return SX1278_CHIP_VERSION (0x12) or SX1272_CHIP_VERSION (0x22) if ...
Definition SX127x.cpp:1531
int16_t transmitDirect(uint32_t frf=0) override
Enables direct transmission mode on pins DIO1 (clock) and DIO2 (data). While in direct mode,...
Definition SX127x.cpp:308
float getFrequencyError(bool autoCorrect=false)
Gets frequency error of the latest received packet.
Definition SX127x.cpp:713
int16_t disableAddressFiltering()
Disables FSK address filtering.
Definition SX127x.cpp:1028
bool enableOOK
Use OOK modulation instead of FSK.
Definition SX127x.h:632
uint8_t gain
Gain of receiver LNA (low-noise amplifier). Can be set to any integer in range 1 to 6 where 1 is the ...
Definition SX127x.h:626
unsigned long RadioLibTime_t
Type used for durations in RadioLib.
Definition TypeDef.h:679
Description of RF switch pin states for a single mode. See setRfSwitchTable for details.
Definition Module.h:85
Common channel scan configuration structure.
Definition PhysicalLayer.h:165
Common data rate structure.
Definition PhysicalLayer.h:74
Common packet configuration structure.
Definition PhysicalLayer.h:119
Definition PhysicalLayer.h:208